]> git.lyx.org Git - lyx.git/blobdiff - src/VCBackend.cpp
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[lyx.git] / src / VCBackend.cpp
index 7dac4e5f2dad0d6a80942b2ca2c8130b6d497ae1..421a748451923bb63b707f4c6f12601e9c08e414 100644 (file)
@@ -3,7 +3,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author Lars Gullik Bjønnes
+ * \author Lars Gullik Bjønnes
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -36,16 +36,27 @@ using boost::smatch;
 namespace lyx {
 
 
-int VCS::doVCCommand(string const & cmd, FileName const & path)
-{
-       LYXERR(Debug::LYXVC, "doVCCommand: " << cmd);
+int VCS::doVCCommandCall(string const & cmd, FileName const & path){
+       LYXERR(Debug::LYXVC, "doVCCommandCall: " << cmd);
        Systemcall one;
        support::PathChanger p(path);
-       int const ret = one.startscript(Systemcall::Wait, cmd);
+       return one.startscript(Systemcall::Wait, cmd);
+}
+
+int VCS::doVCCommand(string const & cmd, FileName const & path)
+{
+       if (owner_)
+               owner_->setBusy(true);
+
+       int const ret = doVCCommandCall(cmd, path);
+
+       if (owner_)
+               owner_->setBusy(false);
        if (ret)
                frontend::Alert::error(_("Revision control error."),
-                       _("Please check you have installed revision control program.") + "\n"
-                       + from_ascii(cmd));
+                       bformat(_("Some problem occured while running the command:\n"
+                                 "'%1$s'."),
+                       from_utf8(cmd)));
        return ret;
 }
 
@@ -69,7 +80,7 @@ FileName const RCS::findFile(FileName const & file)
        FileName tmp(file.absFilename() + ",v");
        LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under rcs: " << tmp);
        if (tmp.isReadableFile()) {
-               LYXERR(Debug::LYXVC, "Yes " << file << " is under rcs.");
+               LYXERR(Debug::LYXVC, "Yes, " << file << " is under rcs.");
                return tmp;
        }
 
@@ -77,7 +88,7 @@ FileName const RCS::findFile(FileName const & file)
        tmp = FileName(addName(addPath(onlyPath(file.absFilename()), "RCS"), file.absFilename()) + ",v");
        LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under rcs: " << tmp);
        if (tmp.isReadableFile()) {
-               LYXERR(Debug::LYXVC, "Yes " << file << " it is under rcs.");
+               LYXERR(Debug::LYXVC, "Yes, " << file << " is under rcs.");
                return tmp;
        }
 
@@ -88,14 +99,17 @@ FileName const RCS::findFile(FileName const & file)
 void RCS::retrieve(FileName const & file)
 {
        LYXERR(Debug::LYXVC, "LyXVC::RCS: retrieve.\n\t" << file);
-       VCS::doVCCommand("co -q -r " + quoteName(file.toFilesystemEncoding()),
+       doVCCommandCall("co -q -r " + quoteName(file.toFilesystemEncoding()),
                         FileName());
 }
 
 
 void RCS::scanMaster()
 {
-       LYXERR(Debug::LYXVC, "LyXVC::RCS: scanMaster.");
+       if (master_.empty())
+               return;
+
+       LYXERR(Debug::LYXVC, "LyXVC::RCS: scanMaster: " << master_);
 
        ifstream ifs(master_.toFilesystemEncoding().c_str());
 
@@ -163,11 +177,12 @@ void RCS::registrer(string const & msg)
 }
 
 
-void RCS::checkIn(string const & msg)
+string RCS::checkIn(string const & msg)
 {
-       doVCCommand("ci -q -u -m\"" + msg + "\" "
+       int ret = doVCCommand("ci -q -u -m\"" + msg + "\" "
                    + quoteName(onlyFilename(owner_->absFileName())),
                    FileName(owner_->filePath()));
+       return ret ? string() : "RCS: Proceeded";
 }
 
 bool RCS::checkInEnabled()
@@ -175,11 +190,12 @@ bool RCS::checkInEnabled()
        return owner_ && !owner_->isReadonly();
 }
 
-void RCS::checkOut()
+string RCS::checkOut()
 {
        owner_->markClean();
-       doVCCommand("co -q -l " + quoteName(onlyFilename(owner_->absFileName())),
+       int ret = doVCCommand("co -q -l " + quoteName(onlyFilename(owner_->absFileName())),
                    FileName(owner_->filePath()));
+       return ret ? string() : "RCS: Proceeded";
 }
 
 
@@ -188,6 +204,18 @@ bool RCS::checkOutEnabled()
        return owner_ && owner_->isReadonly();
 }
 
+string RCS::lockingToggle()
+{
+       lyxerr << "Sorry, not implemented." << endl;
+       return string();
+}
+
+
+bool RCS::lockingToggleEnabled()
+{
+       return false;
+}
+
 
 void RCS::revert()
 {
@@ -217,11 +245,17 @@ bool RCS::undoLastEnabled()
 void RCS::getLog(FileName const & tmpf)
 {
        doVCCommand("rlog " + quoteName(onlyFilename(owner_->absFileName()))
-                   + " > " + tmpf.toFilesystemEncoding(),
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
                    FileName(owner_->filePath()));
 }
 
 
+bool RCS::toggleReadOnlyEnabled()
+{
+       return true;
+}
+
+
 /////////////////////////////////////////////////////////////////////
 //
 // CVS
@@ -314,11 +348,12 @@ void CVS::registrer(string const & msg)
 }
 
 
-void CVS::checkIn(string const & msg)
+string CVS::checkIn(string const & msg)
 {
-       doVCCommand("cvs -q commit -m \"" + msg + "\" "
+       int ret = doVCCommand("cvs -q commit -m \"" + msg + "\" "
                    + quoteName(onlyFilename(owner_->absFileName())),
                    FileName(owner_->filePath()));
+       return ret ? string() : "CVS: Proceeded";
 }
 
 
@@ -328,10 +363,13 @@ bool CVS::checkInEnabled()
 }
 
 
-void CVS::checkOut()
+string CVS::checkOut()
 {
        // cvs update or perhaps for cvs this should be a noop
-       lyxerr << "Sorry not implemented." << endl;
+       // we need to detect conflict (eg "C" in output)
+       // before we can do this.
+       lyxerr << "Sorry, not implemented." << endl;
+       return string();
 }
 
 
@@ -341,16 +379,31 @@ bool CVS::checkOutEnabled()
 }
 
 
+string CVS::lockingToggle()
+{
+       lyxerr << "Sorry, not implemented." << endl;
+       return string();
+}
+
+
+bool CVS::lockingToggleEnabled()
+{
+       return false;
+}
+
+
 void CVS::revert()
 {
-       // This is sensitive operation, so at lest some check before
-       if (doVCCommand("cvs --help", FileName(owner_->filePath())))
-               return;
        // Reverts to the version in CVS repository and
        // gets the updated version from the repository.
        string const fil = quoteName(onlyFilename(owner_->absFileName()));
-
-       doVCCommand("rm -f " + fil + "; cvs update " + fil,
+       // This is sensitive operation, so at lest some check about
+       // existence of cvs program and its file
+       if (doVCCommand("cvs log "+ fil, FileName(owner_->filePath())))
+               return;
+       FileName f(owner_->absFileName());
+       f.removeFile();
+       doVCCommand("cvs update " + fil,
                    FileName(owner_->filePath()));
        owner_->markClean();
 }
@@ -361,7 +414,7 @@ void CVS::undoLast()
        // merge the current with the previous version
        // in a reverse patch kind of way, so that the
        // result is to revert the last changes.
-       lyxerr << "Sorry not implemented." << endl;
+       lyxerr << "Sorry, not implemented." << endl;
 }
 
 
@@ -374,9 +427,335 @@ bool CVS::undoLastEnabled()
 void CVS::getLog(FileName const & tmpf)
 {
        doVCCommand("cvs log " + quoteName(onlyFilename(owner_->absFileName()))
-                   + " > " + tmpf.toFilesystemEncoding(),
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   FileName(owner_->filePath()));
+}
+
+bool CVS::toggleReadOnlyEnabled()
+{
+       return false;
+}
+
+/////////////////////////////////////////////////////////////////////
+//
+// SVN
+//
+/////////////////////////////////////////////////////////////////////
+
+SVN::SVN(FileName const & m, FileName const & f)
+{
+       owner_ = 0;
+       master_ = m;
+       file_ = f;
+       locked_mode_ = 0;
+       scanMaster();
+}
+
+
+FileName const SVN::findFile(FileName const & file)
+{
+       // First we look for the .svn/entries in the same dir
+       // where we have file.
+       FileName const entries(onlyPath(file.absFilename()) + "/.svn/entries");
+       string const tmpf = onlyFilename(file.absFilename());
+       LYXERR(Debug::LYXVC, "LyXVC: Checking if file is under svn in `" << entries
+                            << "' for `" << tmpf << '\'');
+       if (entries.isReadableFile()) {
+               // Ok we are at least in a SVN dir. Parse the .svn/entries
+               // and see if we can find this file. We do a fast and
+               // dirty parse here.
+               ifstream ifs(entries.toFilesystemEncoding().c_str());
+               string line, oldline;
+               while (getline(ifs, line)) {
+                       if (line == "dir" || line == "file")
+                               LYXERR(Debug::LYXVC, "\tEntries: " << oldline);
+                       if (oldline == tmpf && line == "file")
+                               return entries;
+                       oldline = line;
+               }
+       }
+       return FileName();
+}
+
+
+void SVN::scanMaster()
+{
+       locker_.clear();
+       vcstatus = NOLOCKING;
+       if (checkLockMode()) {
+               if (isLocked()) {
+                       locker_ = "Locked";
+                       vcstatus = LOCKED;
+               } else {
+                       locker_ = "Unlocked";
+                       vcstatus = LOCKED;
+               }
+       }
+}
+
+
+bool SVN::checkLockMode()
+{
+       FileName tmpf = FileName::tempName("lyxvcout");
+       if (tmpf.empty()){
+               LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
+               return N_("Error: Could not generate logfile.");
+       }
+
+       LYXERR(Debug::LYXVC, "Detecting locking mode...");
+       if (doVCCommandCall("svn proplist " + quoteName(file_.onlyFileName())
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   file_.onlyPath()))
+               return false;
+
+       ifstream ifs(tmpf.toFilesystemEncoding().c_str());
+       string line;
+       bool ret = false;
+
+       while (ifs) {
+               getline(ifs, line);
+               LYXERR(Debug::LYXVC, line);
+               if (contains(line, "svn:needs-lock"))
+                       ret = true;
+       }
+       LYXERR(Debug::LYXVC, "Locking enabled: " << ret);
+       ifs.close();
+       locked_mode_ = ret;
+       return ret;
+
+}
+
+
+bool SVN::isLocked() const
+{
+       //refresh file info
+       FileName file(file_.absFilename());
+       return !file.isReadOnly();
+}
+
+
+void SVN::registrer(string const & /*msg*/)
+{
+       doVCCommand("svn add -q " + quoteName(onlyFilename(owner_->absFileName())),
+                   FileName(owner_->filePath()));
+}
+
+
+string SVN::checkIn(string const & msg)
+{
+       FileName tmpf = FileName::tempName("lyxvcout");
+       if (tmpf.empty()){
+               LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
+               return N_("Error: Could not generate logfile.");
+       }
+
+       doVCCommand("svn commit -m \"" + msg + "\" "
+                   + quoteName(onlyFilename(owner_->absFileName()))
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   FileName(owner_->filePath()));
+
+       string log;
+       string res = scanLogFile(tmpf, log);
+       if (!res.empty())
+               frontend::Alert::error(_("Revision control error."),
+                               _("Error when committing to repository.\n"
+                               "You have to manually resolve the problem.\n"
+                               "After pressing OK, LyX will reopen the document."));
+       else
+               fileLock(false, tmpf, log);
+
+       tmpf.erase();
+       return "SVN: " + log;
+}
+
+
+bool SVN::checkInEnabled()
+{
+       if (locked_mode_)
+               return isLocked();
+       else
+               return true;
+}
+
+
+// FIXME Correctly return code should be checked instead of this.
+// This would need another solution than just plain startscript.
+// Hint from Andre': QProcess::readAllStandardError()...
+string SVN::scanLogFile(FileName const & f, string & status)
+{
+       ifstream ifs(f.toFilesystemEncoding().c_str());
+       string line;
+
+       while (ifs) {
+               getline(ifs, line);
+               lyxerr << line << "\n";
+               if (!line.empty()) status += line + "; ";
+               if (prefixIs(line, "C ") || contains(line, "Commit failed")) {
+                       ifs.close();
+                       return line;
+               }
+               if (contains(line, "svn:needs-lock")) {
+                       ifs.close();
+                       return line;
+               }
+       }
+       ifs.close();
+       return string();
+}
+
+
+void SVN::fileLock(bool lock, FileName const & tmpf, string &status)
+{
+       if (!locked_mode_ || (isLocked() == lock))
+               return;
+
+       string arg = lock ? "lock " : "unlock ";
+       doVCCommand("svn "+ arg + quoteName(onlyFilename(owner_->absFileName()))
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   FileName(owner_->filePath()));
+
+       ifstream ifs(tmpf.toFilesystemEncoding().c_str());
+       string line;
+       while (ifs) {
+               getline(ifs, line);
+               if (!line.empty()) status += line + "; ";
+       }
+       ifs.close();
+
+       if (!isLocked() && lock)
+               frontend::Alert::error(_("Revision control error."),
+                       _("Error when acquiring write lock.\n"
+                       "Most probably another user is editing\n"
+                       "the current document now!\n"
+                       "Also check the access to the repository."));
+       if (isLocked() && !lock)
+               frontend::Alert::error(_("Revision control error."),
+                       _("Error when releasing write lock.\n"
+                       "Check the access to the repository."));
+}
+
+
+string SVN::checkOut()
+{
+       FileName tmpf = FileName::tempName("lyxvcout");
+       if (tmpf.empty()) {
+               LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
+               return N_("Error: Could not generate logfile.");
+       }
+
+       doVCCommand("svn update " + quoteName(onlyFilename(owner_->absFileName()))
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   FileName(owner_->filePath()));
+
+       string log;
+       string res = scanLogFile(tmpf, log);
+       if (!res.empty())
+               frontend::Alert::error(_("Revision control error."),
+                       bformat(_("Error when updating from repository.\n"
+                               "You have to manually resolve the conflicts NOW!\n'%1$s'.\n\n"
+                               "After pressing OK, LyX will try to reopen resolved document."),
+                       from_local8bit(res)));
+
+       fileLock(true, tmpf, log);
+
+       tmpf.erase();
+       return "SVN: " + log;
+}
+
+
+bool SVN::checkOutEnabled()
+{
+       if (locked_mode_)
+               return !isLocked();
+       else
+               return true;
+}
+
+
+string SVN::lockingToggle()
+{
+       FileName tmpf = FileName::tempName("lyxvcout");
+       if (tmpf.empty()) {
+               LYXERR(Debug::LYXVC, "Could not generate logfile " << tmpf);
+               return N_("Error: Could not generate logfile.");
+       }
+
+       int ret = doVCCommand("svn proplist " + quoteName(onlyFilename(owner_->absFileName()))
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   FileName(owner_->filePath()));
+       if (ret)
+               return string();
+
+       string log;
+       string res = scanLogFile(tmpf, log);
+       bool locking = contains(res, "svn:needs-lock");
+       if (!locking)
+               ret = doVCCommand("svn propset svn:needs-lock ON "
+                   + quoteName(onlyFilename(owner_->absFileName()))
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   FileName(owner_->filePath()));
+       else
+               ret = doVCCommand("svn propdel svn:needs-lock "
+                   + quoteName(onlyFilename(owner_->absFileName()))
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
+                   FileName(owner_->filePath()));
+       if (ret)
+               return string();
+
+       tmpf.erase();
+       frontend::Alert::warning(_("VCN File Locking"),
+               (locking ? _("Locking property unset.") : _("Locking property set.")) + "\n"
+               + _("Do not forget to commit the locking property into the repository."),
+               true);
+
+       return string("SVN: ") +  N_("Locking property set.");
+}
+
+
+bool SVN::lockingToggleEnabled()
+{
+       return true;
+}
+
+void SVN::revert()
+{
+       // Reverts to the version in CVS repository and
+       // gets the updated version from the repository.
+       string const fil = quoteName(onlyFilename(owner_->absFileName()));
+
+       doVCCommand("svn revert -q " + fil,
+                   FileName(owner_->filePath()));
+       owner_->markClean();
+}
+
+
+void SVN::undoLast()
+{
+       // merge the current with the previous version
+       // in a reverse patch kind of way, so that the
+       // result is to revert the last changes.
+       lyxerr << "Sorry, not implemented." << endl;
+}
+
+
+bool SVN::undoLastEnabled()
+{
+       return false;
+}
+
+
+void SVN::getLog(FileName const & tmpf)
+{
+       doVCCommand("svn log " + quoteName(onlyFilename(owner_->absFileName()))
+                   + " > " + quoteName(tmpf.toFilesystemEncoding()),
                    FileName(owner_->filePath()));
 }
 
 
+bool SVN::toggleReadOnlyEnabled()
+{
+       return false;
+}
+
+
 } // namespace lyx